22475567 has 2 divisors, whose sum is σ = 22475568. Its totient is φ = 22475566.

The previous prime is 22475561. The next prime is 22475569. The reversal of 22475567 is 76557422.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22475567 - 2⁸ = 22475311 is a prime.

It is a super-2 number, since 2×22475567² = 1010302223942978, which contains 22 as substring.

Together with 22475569, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22475567.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22475561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11237783 + 11237784.

It is an arithmetic number, because the mean of its divisors is an integer number (11237784).

Almost surely, 2^22475567 is an apocalyptic number.

22475567 is a deficient number, since it is larger than the sum of its proper divisors (1).

22475567 is an equidigital number, since it uses as much as digits as its factorization.

22475567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 117600, while the sum is 38.

The square root of 22475567 is about 4740.8403263557. The cubic root of 22475567 is about 282.2085835049.

The spelling of 22475567 in words is "twenty-two million, four hundred seventy-five thousand, five hundred sixty-seven".